Homebrew PCBs

--- sethkoster <sethkoster@...> wrote:
> Hmm...   It occurs to me that since I was moving the iron the very
> same problem could have happened during the re-fusing phase.   Perhaps
> because the PCB is heating up and cooling down in areas as I move the
> iron around it is exacerbating this problem.
> 

don't think so. copper will not heat up and cool down, less stretch while
ironing.
I am nearer to believe it's a too low temperature or board prep problem.
use the iron very hot (over 200C, 400F) and use a paper towel buffer. should
yellow slightly...



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